单项选择题

Mr. Morton gradually ______ a knowledge of the subject.

A．attained
B．required
C．acquired
D．enquired
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单项选择题
We must try to use our intellect ______.
A．to the greatest advantage
B．for the most details
C．by the rarest chance
D．of the greatest significance
单项选择题
I would like to get another table like this one, but the company that made it is out of ______.
A．order
B．business
C．practice
D．style
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